NdLuZn4Ru

High-Entropy Materials HEA

MP-ID: mp-3295355 · Space group: P4/nmm (#129)

Materials Project API

Basic Information

Formula

NdLuZn4Ru

MP-ID

mp-3295355

Elements

Sites

Density

9.0052

g/cm³

Volume

251.49

Å³

Cell a

6.9491

Cell b

6.9491

Cell c

5.2078

α Angle

90.00

β Angle

90.00

γ Angle

90.00

Space Group

P4/nmm

Point Group

4/mmm

Crystal System

Tetragonal

Bravais Lattice

Stability

Yes

Packing Fraction

X-ray Diffraction

Diffraction Pattern

Target / Radiation

X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å

Diffraction Peaks (Top 24)

2θ	d (Å)	I	hkl
18.05	4.9138	14.2	(1,1,0)
21.32	4.1674	3.2	(1,0,1)
24.91	3.5740	6.0	(1,1,1)
25.64	3.4746	34.8	(2,0,0)
30.94	2.8903	16.4	(2,0,1)
33.58	2.6687	70.8	(2,1,1)
34.44	2.6039	2.5	(0,0,2)
36.57	2.4569	93.8	(2,2,0)
36.86	2.4383	3.9	(1,0,2)
39.15	2.3008	100.0	(1,1,2)
40.60	2.2220	1.2	(2,2,1)
41.07	2.1975	22.8	(3,1,0)
42.72	2.1165	60.3	(3,0,1)
43.43	2.0837	36.1	(2,0,2)
52.69	1.7373	18.5	(4,0,0)
52.73	1.7359	2.2	(0,0,3)
52.90	1.7307	1.5	(3,0,2)
54.65	1.6794	40.2	(3,1,2)
55.78	1.6480	1.3	(4,0,1)
56.20	1.6368	1.5	(1,1,3)
57.47	1.6035	6.4	(4,1,1)
59.13	1.5625	1.8	(3,3,1)
59.49	1.5539	24.9	(4,2,0)
59.53	1.5529	1.5	(2,0,3)

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Energy Properties

Formation Energy/atom

-0.47189

eV/atom

Energy/atom

-18.83829

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-18.8383

eV/atom

Volume/atom

17.96

Å³

c/a Ratio

0.7494

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Total Mag. Moment

0.0002

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.000000

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Zn · 0.571

Element Family

3d-TM

Solute Fraction

0.429

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

1.1537

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

9.5922

J/mol·K

Ω Parameter

1.0309

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

14.239%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.3141

smaller = more stable mixing

VEC

8.714

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-11.431

kJ/mol; negative = exothermic mixing

Entropy Norm

0.8322

SS Former

Phase Tendency

Related Tasks

Related computation task IDs (1)

aaahfmul

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-3295355

Reference Citation

The crystal structure and related material properties of NdLuZn4Ru were obtained from the Materials Project database (MP-ID: mp-3295355, database version v2026.04.13).

Literature Citation

Horton, M.K., Huck, P., Yang, R.X. et al. Accelerated data-driven materials science with the Materials Project. Nat. Mater. 24, 1522–1532 (2025). https://doi.org/10.1038/s41563-025-02272-0

3D Crystal Structure Rendering

Loading 3D structure…

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Raw CIF Data

# generated using pymatgen
data_NdLuZn4Ru
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.94914090
_cell_length_b   6.94914090
_cell_length_c   5.20778108
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NdLuZn4Ru
_chemical_formula_sum   'Nd2 Lu2 Zn8 Ru2'
_cell_volume   251.48666031
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Nd  Nd0  1  0.00000000  0.50000000  0.76792516  1.0
  Nd  Nd1  1  0.50000000  0.00000000  0.23207484  1.0
  Lu  Lu2  1  0.00000000  0.00000000  0.00000000  1.0
  Lu  Lu3  1  0.50000000  0.50000000  0.00000000  1.0
  Zn  Zn4  1  0.18796983  0.68796983  0.28789688  1.0
  Zn  Zn5  1  0.81203017  0.68796983  0.28789688  1.0
  Zn  Zn6  1  0.81203017  0.31203017  0.28789688  1.0
  Zn  Zn7  1  0.31203017  0.18796983  0.71210312  1.0
  Zn  Zn8  1  0.18796983  0.31203017  0.28789688  1.0
  Zn  Zn9  1  0.68796983  0.18796983  0.71210312  1.0
  Zn  Zn10  1  0.68796983  0.81203017  0.71210312  1.0
  Zn  Zn11  1  0.31203017  0.81203017  0.71210312  1.0
  Ru  Ru12  1  0.50000000  0.50000000  0.50000000  1.0
  Ru  Ru13  1  0.00000000  0.00000000  0.50000000  1.0

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